<template>
  <div class="rule-container">
    <div class="create-container">
      <el-button type="primary" @click="open">增加停车计费规则</el-button>
      <el-button @click="exportExcel">导出Excel</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table :data="ruleList" style="width: 100%">
        <el-table-column type="index" label="序号" />
        <el-table-column label="计费规则编号" prop="ruleNumber" />
        <el-table-column label="计费规则名称" prop="ruleName" />
        <el-table-column label="免费时长(分钟)" prop="freeDuration" />
        <el-table-column label="收费上线(元)" prop="chargeCeiling" />
        <el-table-column label="计费方式" prop="chargeType">
          <template #default="scope">
            {{ formChargeType(scope.row.chargeType) }}
          </template>
        </el-table-column>
        <el-table-column label="计费规则" prop="ruleNameView" />
        <el-table-column label="操作" fixed="right" width="120">
          <template #default="scope">
            <el-button size="mini" type="text">编辑</el-button>
            <el-button size="mini" type="text">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        layout="prev, pager, next"
        :total="total"
        :page-size="params.pageSize"
        @current-change="pageChange"
      />
    </div>
 <AddRule :dv="dialogVisible" @getList="aa"></AddRule>
  </div>
</template>

<script>
import { getRuleListAPI,createRuleAPI } from '@/api/rule'
import { utils, writeFileXLSX } from 'xlsx'
import AddRule from "./component/AddRule.vue"
export default {
  name: 'Building',
  data() {
    return {
      ruleList: [], // 规则列表
      // 请求参数
      params: {
        page: 1,
        pageSize: 8
      },
      // 规则总数
      total: 0,
      dialogVisible: false,
    }
  },

  components:{
    AddRule
  },
  mounted() {
    this.getList()
  },

  
  methods: {
    aa(){
      this.getList()
    },
      open(){
        this.dialogVisible=true
      },
   
    async exportExcel() {
      // 创建一个新的工作簿
      const workbook = utils.book_new()
      // 创建一个工作表 要求一个对象数组格式
      // 1. 获取当前要导出的table数据
      const res = await getRuleListAPI(this.params)
      // 2. 按照需求调整数据的顺序
      const tableHeaderKeys = ['ruleNumber', 'ruleName', 'freeDuration', 'chargeCeiling', 'chargeType', 'ruleNameView']
      const tableHeaderValues = ['计费规则编号', '计费规则名称', '免费时长(分钟)', '收费上线(元)', '计费方式', '计费规则']
      // 以excel表格的顺序调整后端数据
      const sheetData = res.data.rows.map((item) => {
        const newObj = {} // 存放正确顺序的key-value
        tableHeaderKeys.forEach(key => {
          if (key === 'chargeType') {
            newObj[key] = this.formChargeType(item[key])
          } else {
            newObj[key] = item[key]
          }
        })
        return newObj
      })
      const worksheet = utils.json_to_sheet(sheetData)
      // 把工作表添加到工作簿  Data为工作表名称
      utils.book_append_sheet(workbook, worksheet, 'Data')
      // 改写表头
      utils.sheet_add_aoa(worksheet, [tableHeaderValues], { origin: 'A1' })
      // 导出方法进行导出
      writeFileXLSX(workbook, 'SheetJSVueAoO.xlsx')
    },
    async getList() {
      const res = await getRuleListAPI(this.params)
      this.ruleList = res.data.rows
      this.total = res.data.total
    },
    pageChange(page) {
      this.params.page = page
      this.getList()
    },
    formChargeType(chargeType) {
      const MAP = {
        duration: '时长收费',
        turn: '按次收费',
        partition: '分段收费'
      }
      return MAP[chargeType]
    }
  }
}
</script>

<style lang="scss" scoped>
.rule-container {
  padding: 20px;
  background-color: #fff;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container{
  margin: 10px 0px;
}
.page-container{
  padding:4px 0px;
  text-align: right;
}
.form-container{
  padding:0px 80px;
}
</style>
